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  • linq在获取部门层级树种的应用

    public string GetNavigationsJson()
            {
                AjaxA_NAVIGATIONS ajaxnavigations = new AjaxA_NAVIGATIONS();
                IList<A_NAVIGATIONS> listnavigations = ajaxnavigations.GetNavigations();
    
                return JSONHelper.ToJson(GetNavigations(listnavigations,0));
            }
    
            public IEnumerable<object> GetNavigations(IList<A_NAVIGATIONS> navigations, int parentId)
            {
            var menus =
                        navigations.Where(n => n.PARENTID == parentId && n.ISVISIBLE == 1)
                                   .OrderBy(n => n.SORTNUM)
                                   .Select(n => new
                                   {
                                       id = n.KEYID,
                                       text = n.NAVTITLE,
                                       n.ICONCLS,
                                       attributes = new
                                       {
                                           url = n.LINKURL,
                                           n.ICONURL,
                                           parentid = n.PARENTID,
                                           sortnum = n.SORTNUM,
                                           n.BIGIMAGEURL,
                                           n.ISNEWWINDOW,
                                           n.WINWIDTH,
                                           n.WINHEIGHT
                                       },
                                       state = parentId == 0
                                       ? "open"
                                       :  "closed",
                                       children = GetNavigations(navigations, n.KEYID)
                                   });
                return menus;
            }
        }
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  • 原文地址:https://www.cnblogs.com/liuqiyun/p/6708780.html
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